Cai, Yuanqing Twisted doubling integrals for classical groups. (English) Zbl 07333872 Math. Z. 297, No. 3-4, 1075-1104 (2021). MSC: 11F70 11F55 22E50 22E55 20G15 19C09 20G30 20G10 20E22 PDF BibTeX XML Cite \textit{Y. Cai}, Math. Z. 297, No. 3--4, 1075--1104 (2021; Zbl 07333872) Full Text: DOI
Arunkumar, C. S.; Shankar, P.; Vijayarajan, A. K. Boundary representations and rectangular hyperrigidity. (English) Zbl 07332200 Banach J. Math. Anal. 15, No. 2, Paper No. 38, 19 p. (2021). MSC: 46L07 47L25 46L52 47A20 PDF BibTeX XML Cite \textit{C. S. Arunkumar} et al., Banach J. Math. Anal. 15, No. 2, Paper No. 38, 19 p. (2021; Zbl 07332200) Full Text: DOI
Roubíček, Tomáš Fine metrizable convex relaxations of parabolic optimal control problems. (English) Zbl 07332075 SIAM J. Control Optim. 59, No. 2, 1293-1311 (2021). MSC: 35Q93 46A55 49J20 49J45 49K20 54D35 PDF BibTeX XML Cite \textit{T. Roubíček}, SIAM J. Control Optim. 59, No. 2, 1293--1311 (2021; Zbl 07332075) Full Text: DOI
Boitsev, A. A.; Brasche, J.; Popov, I. Y. Point-like perturbation of Rashba Hamiltonian. (English) Zbl 07327116 Complex Var. Elliptic Equ. 66, No. 1, 154-164 (2021). Reviewer: Mohammed El Aïdi (Bogotá) MSC: 47B25 81U20 PDF BibTeX XML Cite \textit{A. A. Boitsev} et al., Complex Var. Elliptic Equ. 66, No. 1, 154--164 (2021; Zbl 07327116) Full Text: DOI
Garver, Alexander; Grosser, Stefan; Matherne, Jacob P.; Morales, Alejandro Counting linear extensions of posets with determinants of hook lengths. (English) Zbl 07323994 SIAM J. Discrete Math. 35, No. 1, 205-233 (2021). MSC: 06A07 05A15 05A30 05A05 PDF BibTeX XML Cite \textit{A. Garver} et al., SIAM J. Discrete Math. 35, No. 1, 205--233 (2021; Zbl 07323994) Full Text: DOI
Majdak, Witold; Suciu, Laurian Convex and expansive liftings close to two-isometries and power bounded operators. (English) Zbl 07323371 Linear Algebra Appl. 617, 1-26 (2021). MSC: 47A05 47A15 47A20 47A63 PDF BibTeX XML Cite \textit{W. Majdak} and \textit{L. Suciu}, Linear Algebra Appl. 617, 1--26 (2021; Zbl 07323371) Full Text: DOI
Baidiuk, D.; Derkach, V.; Hassi, S. Unitary boundary pairs for isometric operators in Pontryagin spaces and generalized coresolvents. (English) Zbl 07321680 Complex Anal. Oper. Theory 15, No. 2, Paper No. 32, 53 p. (2021). MSC: 47A20 47A56 47B50 46C20 PDF BibTeX XML Cite \textit{D. Baidiuk} et al., Complex Anal. Oper. Theory 15, No. 2, Paper No. 32, 53 p. (2021; Zbl 07321680) Full Text: DOI
Bisai, Bappa; Pal, Sourav The fundamental operator tuples associated with the symmetrized polydisc. (English) Zbl 07319061 New York J. Math. 27, 349-362 (2021). MSC: 47A13 47A20 47A25 47A45 PDF BibTeX XML Cite \textit{B. Bisai} and \textit{S. Pal}, New York J. Math. 27, 349--362 (2021; Zbl 07319061) Full Text: Link
Abadias, Luciano; Bello, Glenier; Yakubovich, Dmitry Operator inequalities, functional models and ergodicity. (English) Zbl 07318552 J. Math. Anal. Appl. 498, No. 2, Article ID 124984, 40 p. (2021). MSC: 47A20 47A35 46E22 PDF BibTeX XML Cite \textit{L. Abadias} et al., J. Math. Anal. Appl. 498, No. 2, Article ID 124984, 40 p. (2021; Zbl 07318552) Full Text: DOI
Bhardwaj, Abhishek; Zalar, Aljaž The tracial moment problem on quadratic varieties. (English) Zbl 07318449 J. Math. Anal. Appl. 498, No. 1, Article ID 124936, 40 p. (2021). MSC: 44A60 47A57 PDF BibTeX XML Cite \textit{A. Bhardwaj} and \textit{A. Zalar}, J. Math. Anal. Appl. 498, No. 1, Article ID 124936, 40 p. (2021; Zbl 07318449) Full Text: DOI
Badea, Cătălin; Müller, Vladimir; Suciu, Laurian High order isometric liftings and dilations. (English) Zbl 07317302 Stud. Math. 258, No. 1, 87-101 (2021). MSC: 47A05 47A20 47A15 47A63 PDF BibTeX XML Cite \textit{C. Badea} et al., Stud. Math. 258, No. 1, 87--101 (2021; Zbl 07317302) Full Text: DOI
Farenick, Douglas; Huntinghawk, Farrah; Masanika, Adili; Plosker, Sarah Complete order equivalence of spin unitaries. (English) Zbl 07311298 Linear Algebra Appl. 610, 1-28 (2021). MSC: 15A30 15B57 46L07 47A13 47A20 47L05 PDF BibTeX XML Cite \textit{D. Farenick} et al., Linear Algebra Appl. 610, 1--28 (2021; Zbl 07311298) Full Text: DOI
Abadias, Luciano; Bello, Glenier; Yakubovich, Dmitry Functional models up to similarity and \(a\)-contractions. (English) Zbl 07310726 Banach J. Math. Anal. 15, No. 2, Paper No. 34, 30 p. (2021). MSC: 47A63 47A20 47A35 47A45 PDF BibTeX XML Cite \textit{L. Abadias} et al., Banach J. Math. Anal. 15, No. 2, Paper No. 34, 30 p. (2021; Zbl 07310726) Full Text: DOI
Popescu, Gelu Bergman spaces over noncommutative domains and commutant lifting. (English) Zbl 07310595 J. Funct. Anal. 280, No. 8, Article ID 108943, 90 p. (2021). MSC: 47A56 47A20 47B37 32A36 47A57 PDF BibTeX XML Cite \textit{G. Popescu}, J. Funct. Anal. 280, No. 8, Article ID 108943, 90 p. (2021; Zbl 07310595) Full Text: DOI
Arlinskiĭ, Yu. M. Cloning of symmetric operators. (English) Zbl 07300023 Complex Anal. Oper. Theory 15, No. 1, Paper No. 8, 42 p. (2021). MSC: 47B25 47A20 PDF BibTeX XML Cite \textit{Yu. M. Arlinskiĭ}, Complex Anal. Oper. Theory 15, No. 1, Paper No. 8, 42 p. (2021; Zbl 07300023) Full Text: DOI
Andruchow, Esteban Unitary operators with decomposable corners. (English) Zbl 07296629 Banach J. Math. Anal. 15, No. 1, Paper No. 10, 25 p. (2021). MSC: 47Axx 47A20 47B35 PDF BibTeX XML Cite \textit{E. Andruchow}, Banach J. Math. Anal. 15, No. 1, Paper No. 10, 25 p. (2021; Zbl 07296629) Full Text: DOI
Feng, Ruyong Difference Galois groups under specialization. (English) Zbl 07288850 Trans. Am. Math. Soc. 374, No. 1, 61-96 (2021). MSC: 12H10 13B05 PDF BibTeX XML Cite \textit{R. Feng}, Trans. Am. Math. Soc. 374, No. 1, 61--96 (2021; Zbl 07288850) Full Text: DOI
Mogilevskii, Vadim On eigenfunction expansions of differential equations with degenerating weight. (English) Zbl 07285703 J. Differ. Equations 272, 819-853 (2021). MSC: 34L10 34B09 34B40 47A06 47A20 47B25 PDF BibTeX XML Cite \textit{V. Mogilevskii}, J. Differ. Equations 272, 819--853 (2021; Zbl 07285703) Full Text: DOI
Voronetsky, Egor Centrality of \(K_2\)-functor revisited. (English) Zbl 1446.19004 J. Pure Appl. Algebra 225, No. 4, Article ID 106547, 14 p. (2021). Reviewer: Wilberd van der Kallen (Utrecht) MSC: 19C09 PDF BibTeX XML Cite \textit{E. Voronetsky}, J. Pure Appl. Algebra 225, No. 4, Article ID 106547, 14 p. (2021; Zbl 1446.19004) Full Text: DOI
Figula, Ágota; Nagy, Péter T. Inverse property of nonassociative abelian extensions. (English) Zbl 07332724 Commentat. Math. Univ. Carol. 61, No. 4, 501-511 (2020). MSC: 20N05 PDF BibTeX XML Cite \textit{Á. Figula} and \textit{P. T. Nagy}, Commentat. Math. Univ. Carol. 61, No. 4, 501--511 (2020; Zbl 07332724) Full Text: DOI
Goriunov, Andrii Multi-interval Sturm-Liouville problems with distributional coefficients. (English) Zbl 07329567 Methods Funct. Anal. Topol. 26, No. 2, 103-110 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 34L40 34B45 47B25 PDF BibTeX XML Cite \textit{A. Goriunov}, Methods Funct. Anal. Topol. 26, No. 2, 103--110 (2020; Zbl 07329567) Full Text: Link
Li, Chi-Kwong; Poon, Yiu-Tung Numerical range, dilation, and maximal operator systems. (English) Zbl 07326509 Acta Sci. Math. 86, No. 3-4, 681-696 (2020). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A20 47A12 15A60 PDF BibTeX XML Cite \textit{C.-K. Li} and \textit{Y.-T. Poon}, Acta Sci. Math. 86, No. 3--4, 681--696 (2020; Zbl 07326509) Full Text: DOI
Derkach, Volodymyr; Hassi, Seppo; Malamud, Mark Generalized boundary triples. I: Some classes of isometric and unitary boundary pairs and realization problems for subclasses of Nevanlinna functions. (English) Zbl 07317208 Math. Nachr. 293, No. 7, 1278-1327 (2020). MSC: 47A10 47B25 47A20 47A48 47A56 47B32 PDF BibTeX XML Cite \textit{V. Derkach} et al., Math. Nachr. 293, No. 7, 1278--1327 (2020; Zbl 07317208) Full Text: DOI
Boschheidgen, Jan; Klopsch, Benjamin; Thillaisundaram, Anitha Generating pairs of projective special linear groups that fail to lift. (English) Zbl 07317206 Math. Nachr. 293, No. 7, 1251-1258 (2020). MSC: 20F05 20E06 20G40 PDF BibTeX XML Cite \textit{J. Boschheidgen} et al., Math. Nachr. 293, No. 7, 1251--1258 (2020; Zbl 07317206) Full Text: DOI
Bickel, Kelly; Gorkin, Pamela; Greenbaum, Anne; Ransford, Thomas; Schwenninger, Felix L.; Wegert, Elias Crouzeix’s conjecture and related problems. (English) Zbl 07311218 Comput. Methods Funct. Theory 20, No. 3-4, 701-728 (2020). MSC: 47A12 47A20 47A25 47A30 47A60 30J10 PDF BibTeX XML Cite \textit{K. Bickel} et al., Comput. Methods Funct. Theory 20, No. 3--4, 701--728 (2020; Zbl 07311218) Full Text: DOI
Dijksma, Aad; Langer, Heinz Self-adjoint extensions of a symmetric linear relation with finite defect: compressions and Straus subspaces. (English) Zbl 07310481 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser/Springer (ISBN 978-3-030-44818-9/hbk; 978-3-030-44819-6/ebook). Operator Theory: Advances and Applications 280, 287-325 (2020). MSC: 47B25 47A20 47A56 PDF BibTeX XML Cite \textit{A. Dijksma} and \textit{H. Langer}, Oper. Theory: Adv. Appl. 280, 287--325 (2020; Zbl 07310481) Full Text: DOI
Boiko, S. S.; Dubovoy, V. K. Regular extensions and defect functions of contractive measurable operator-valued functions. (English) Zbl 07310479 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser/Springer (ISBN 978-3-030-44818-9/hbk; 978-3-030-44819-6/ebook). Operator Theory: Advances and Applications 280, 139-228 (2020). MSC: 47A48 47A40 47A56 47A20 PDF BibTeX XML Cite \textit{S. S. Boiko} and \textit{V. K. Dubovoy}, Oper. Theory: Adv. Appl. 280, 139--228 (2020; Zbl 07310479) Full Text: DOI
Benyash-Krivets, Valeriĭ Vatslavovich; Admiralova, Aleksandra Nikolaevna On representation varieties of some one-relator products of cyclic groups. (Russian. English summary) Zbl 07310032 Chebyshevskiĭ Sb. 21, No. 1(73), 62-81 (2020). MSC: 20G05 20C15 14M20 20F05 20E06 PDF BibTeX XML Cite \textit{V. V. Benyash-Krivets} and \textit{A. N. Admiralova}, Chebyshevskiĭ Sb. 21, No. 1(73), 62--81 (2020; Zbl 07310032) Full Text: DOI MNR
Agniel, Vidal Unitary skew-dilations of Hilbert space operators. (English) Zbl 07309328 Extr. Math. 35, No. 2, 137-184 (2020). MSC: 47A12 47A20 47A30 47A60 PDF BibTeX XML Cite \textit{V. Agniel}, Extr. Math. 35, No. 2, 137--184 (2020; Zbl 07309328) Full Text: DOI
Nazarov, S. A. Threshold resonances and virtual levels in the spectrum of cylindrical and periodic waveguides. (English. Russian original) Zbl 07304907 Izv. Math. 84, No. 6, 1105-1160 (2020); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 6, 73-130 (2020). MSC: 35B25 35P05 35Q60 47A53 78A50 82D77 PDF BibTeX XML Cite \textit{S. A. Nazarov}, Izv. Math. 84, No. 6, 1105--1160 (2020; Zbl 07304907); translation from Izv. Ross. Akad. Nauk, Ser. Mat. 84, No. 6, 73--130 (2020) Full Text: DOI
Tarcsay, Zsigmond; Titkos, Tamás Operators on anti-dual pairs: self-adjoint extensions and the strong Parrott theorem. (English) Zbl 07303613 Can. Math. Bull. 63, No. 4, 813-824 (2020). MSC: 47A20 46A22 46A20 46K10 PDF BibTeX XML Cite \textit{Z. Tarcsay} and \textit{T. Titkos}, Can. Math. Bull. 63, No. 4, 813--824 (2020; Zbl 07303613) Full Text: DOI
Das, B. Krishna; Debnath, Ramlal; Sarkar, Jaydeb On certain commuting isometries, joint invariant subspaces and \(C^\ast \)-algebras. (English) Zbl 07299678 Curto, Raul E. (ed.) et al., Operator theory, operator algebras and their interactions with geometry and topology. Ronald G. Douglas memorial volume. Proceedings of the international workshop on operator theory and applications (IWOTA 2018), Shanghai, China, July 23–27, 2018. Cham: Birkhäuser (ISBN 978-3-030-43379-6/hbk; 978-3-030-43380-2/ebook). Operator Theory: Advances and Applications 278, 147-170 (2020). MSC: 47A13 47C15 47L80 47A20 47A45 47B35 47A65 46E22 46E40 47A05 PDF BibTeX XML Cite \textit{B. K. Das} et al., Oper. Theory: Adv. Appl. 278, 147--170 (2020; Zbl 07299678) Full Text: DOI
Wu, Xiaohong; Huang, Junjie; Alatancang The SVEP of \(2 \times 2\) block operator matrices. (English) Zbl 07296027 Math. Pract. Theory 50, No. 11, 227-233 (2020). MSC: 47A20 47A10 PDF BibTeX XML Cite \textit{X. Wu} et al., Math. Pract. Theory 50, No. 11, 227--233 (2020; Zbl 07296027)
Shirokov, M. E. Strong convergence of quantum channels: continuity of the Stinespring dilation and discontinuity of the unitary dilation. (English) Zbl 1454.81044 J. Math. Phys. 61, No. 8, 082204, 14 p. (2020). MSC: 81P47 47A20 46L07 40A05 PDF BibTeX XML Cite \textit{M. E. Shirokov}, J. Math. Phys. 61, No. 8, 082204, 14 p. (2020; Zbl 1454.81044) Full Text: DOI
Guerrero, Julio; Berrondo, Manuel Semiclassical interpretation of Wei-Norman factorization for SU(1, 1) and its related integral transforms. (English) Zbl 1454.81089 J. Math. Phys. 61, No. 8, 082107, 20 p. (2020). MSC: 81Q20 81Q05 35Q41 47A68 47A20 17B81 PDF BibTeX XML Cite \textit{J. Guerrero} and \textit{M. Berrondo}, J. Math. Phys. 61, No. 8, 082107, 20 p. (2020; Zbl 1454.81089) Full Text: DOI
Friedberg, Solomon; Ginzburg, David Classical theta lifts for higher metaplectic covering groups. (English) Zbl 07286398 Geom. Funct. Anal. 30, No. 6, 1531-1582 (2020). MSC: 11F27 11F70 20G15 20G10 20E22 20F05 20E32 PDF BibTeX XML Cite \textit{S. Friedberg} and \textit{D. Ginzburg}, Geom. Funct. Anal. 30, No. 6, 1531--1582 (2020; Zbl 07286398) Full Text: DOI
Barik, Sibaprasad; Das, B. Krishna; Sarkar, Jaydeb Isometric dilations and von Neumann inequality for finite rank commuting contractions. (English) Zbl 07285396 Bull. Sci. Math. 165, Article ID 102915, 25 p. (2020). MSC: 47A13 47A20 47A56 47B38 14M99 46E20 30H10 PDF BibTeX XML Cite \textit{S. Barik} et al., Bull. Sci. Math. 165, Article ID 102915, 25 p. (2020; Zbl 07285396) Full Text: DOI
Hassi, S.; Labrousse, J.-Ph.; de Snoo, H. S. V. Selfadjoint extensions of relations whose domain and range are orthogonal. (English) Zbl 07277749 Methods Funct. Anal. Topol. 26, No. 1, 39-62 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47A06 47B25 PDF BibTeX XML Cite \textit{S. Hassi} et al., Methods Funct. Anal. Topol. 26, No. 1, 39--62 (2020; Zbl 07277749) Full Text: Link
Diallo, Abdoul Salam; Gupta, Punam On a deformed Riemannian extension of affine Szabó connections. (English) Zbl 1453.53016 Balkan J. Geom. Appl. 25, No. 2, 30-38 (2020). MSC: 53B05 53B20 53B30 PDF BibTeX XML Cite \textit{A. S. Diallo} and \textit{P. Gupta}, Balkan J. Geom. Appl. 25, No. 2, 30--38 (2020; Zbl 1453.53016) Full Text: Link
Ito, Hiroshi T. Eigenvalues and resonances of Dirac operators with dilation analytic potentials diverging at infinity. (English) Zbl 1452.81098 Hokkaido Math. J. 49, No. 2, 247-296 (2020). Reviewer: Alex B. Gaina (Chisinau) MSC: 81Q05 81Q10 81R20 81Q12 81Q20 35P05 47A20 83C57 PDF BibTeX XML Cite \textit{H. T. Ito}, Hokkaido Math. J. 49, No. 2, 247--296 (2020; Zbl 1452.81098) Full Text: DOI Euclid
Kaniecki, Mariusz; Kosakowska, Justyna Combinatorial algorithms for binary operations on LR-tableaux with entries equal to 1 with applications to nilpotent linear operators. (English) Zbl 07274639 Fundam. Inform. 174, No. 2, 121-136 (2020). MSC: 68 PDF BibTeX XML Cite \textit{M. Kaniecki} and \textit{J. Kosakowska}, Fundam. Inform. 174, No. 2, 121--136 (2020; Zbl 07274639) Full Text: DOI
Li, Chunji; Liang, Hongkai The flat extension of nonsingular Embry moment matrices \(E(3)\). (English) Zbl 07272980 Commun. Korean Math. Soc. 35, No. 1, 137-149 (2020). MSC: 47A57 44A60 15A57 47A20 PDF BibTeX XML Cite \textit{C. Li} and \textit{H. Liang}, Commun. Korean Math. Soc. 35, No. 1, 137--149 (2020; Zbl 07272980) Full Text: DOI
Kornyak, V. V. An algorithm for constructing irreducible decompositions of permutation representations of wreath products of finite groups. (English. Russian original) Zbl 1451.81269 J. Math. Sci., New York 251, No. 3, 375-394 (2020); translation from Zap. Nauchn. Semin. POMI 485, 107-139 (2019). MSC: 81R05 20C35 20B05 20E22 47A15 81V72 81-08 20-08 PDF BibTeX XML Cite \textit{V. V. Kornyak}, J. Math. Sci., New York 251, No. 3, 375--394 (2020; Zbl 1451.81269); translation from Zap. Nauchn. Semin. POMI 485, 107--139 (2019) Full Text: DOI
Guo, Yaru; Zhai, Chengbo Solutions to fractional differential equations involving integral boundary conditions. (English) Zbl 07271733 Integral Transforms Spec. Funct. 31, No. 7, 506-518 (2020). Reviewer: Andrey Zahariev (Plovdiv) MSC: 34A08 34B10 34B15 34A45 47A20 PDF BibTeX XML Cite \textit{Y. Guo} and \textit{C. Zhai}, Integral Transforms Spec. Funct. 31, No. 7, 506--518 (2020; Zbl 07271733) Full Text: DOI
Zhao, Yingchun; Sun, Jiong; Yao, Siqin; Buren, Mandula The Friedrichs extension of Sturm-Liouville operators with an infinite number of interior discontinuous points. (Chinese. English summary) Zbl 07267407 Math. Pract. Theory 50, No. 6, 229-236 (2020). MSC: 47A20 47E05 34B24 PDF BibTeX XML Cite \textit{Y. Zhao} et al., Math. Pract. Theory 50, No. 6, 229--236 (2020; Zbl 07267407)
Gallone, Matteo; Michelangeli, Alessandro Self-adjoint extensions with Friedrichs lower bound. (English) Zbl 07262170 Complex Anal. Oper. Theory 14, No. 7, Paper No. 73, 22 p. (2020). MSC: 47B15 47B25 47N50 81Q10 PDF BibTeX XML Cite \textit{M. Gallone} and \textit{A. Michelangeli}, Complex Anal. Oper. Theory 14, No. 7, Paper No. 73, 22 p. (2020; Zbl 07262170) Full Text: DOI
Popescu, Gelu Doubly \(\Lambda\)-commuting row isometries, universal models, and classification. (English) Zbl 07261450 J. Funct. Anal. 279, No. 12, Article ID 108798, 69 p. (2020). MSC: 47A45 46L06 47A20 47A15 46L65 PDF BibTeX XML Cite \textit{G. Popescu}, J. Funct. Anal. 279, No. 12, Article ID 108798, 69 p. (2020; Zbl 07261450) Full Text: DOI
Arlinskiĭ, Yury; Tretter, Christiane Everything is possible for the domain intersection dom \(T \cap\) dom \(T^\ast\). (English) Zbl 07258214 Adv. Math. 374, Article ID 107383, 46 p. (2020). MSC: 47A05 47B44 47A20 47A12 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} and \textit{C. Tretter}, Adv. Math. 374, Article ID 107383, 46 p. (2020; Zbl 07258214) Full Text: DOI
Mallick, N.; Sumesh, K. On a generalization of Ando’s dilation theorem. (English) Zbl 07254971 Acta Sci. Math. 86, No. 1-2, 273-286 (2020). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A20 PDF BibTeX XML Cite \textit{N. Mallick} and \textit{K. Sumesh}, Acta Sci. Math. 86, No. 1--2, 273--286 (2020; Zbl 07254971) Full Text: DOI
H, Piper; Harron, Robert The shapes of Galois quartic fields. (English) Zbl 07254275 Trans. Am. Math. Soc. 373, No. 10, 7109-7152 (2020). Reviewer: Robert W. van der Waall (Amsterdam) MSC: 11R16 11R45 11E12 11P21 11H06 15A03 52C05 PDF BibTeX XML Cite \textit{P. H} and \textit{R. Harron}, Trans. Am. Math. Soc. 373, No. 10, 7109--7152 (2020; Zbl 07254275) Full Text: DOI
Wang, Lei On the automorphism groups of Frobenius groups. (English) Zbl 07253623 Commun. Algebra 48, No. 12, 5330-5342 (2020). Reviewer: Alla Detinko (Hull) MSC: 20F28 20C15 20E22 20G40 PDF BibTeX XML Cite \textit{L. Wang}, Commun. Algebra 48, No. 12, 5330--5342 (2020; Zbl 07253623) Full Text: DOI
Farashahi, Arash Ghaani Generalized wavelet transforms over finite fields. (English) Zbl 1447.42034 Linear Multilinear Algebra 68, No. 8, 1585-1604 (2020). MSC: 42C40 12E20 13B05 12F10 81R05 20G40 PDF BibTeX XML Cite \textit{A. G. Farashahi}, Linear Multilinear Algebra 68, No. 8, 1585--1604 (2020; Zbl 1447.42034) Full Text: DOI
Wu, Chang Hui; Yu, Tao \(N_{\psi, \varphi}\)-type quotient modules over the bidisk. (English) Zbl 07247979 Acta Math. Sin., Engl. Ser. 36, No. 8, 943-960 (2020). MSC: 47A15 47A20 PDF BibTeX XML Cite \textit{C. H. Wu} and \textit{T. Yu}, Acta Math. Sin., Engl. Ser. 36, No. 8, 943--960 (2020; Zbl 07247979) Full Text: DOI
Müller, V.; Tomilov, Yu. Joint numerical ranges: recent advances and applications minicourse by V. Müller and Yu. Tomilov. (English) Zbl 07247304 Concr. Oper. 7, 133-154 (2020). Reviewer: Cătălin Badea (Villeneuve d’Ascq) MSC: 47A05 47A10 47A12 47A20 47A30 47A35 47D03 47B37 PDF BibTeX XML Cite \textit{V. Müller} and \textit{Yu. Tomilov}, Concr. Oper. 7, 133--154 (2020; Zbl 07247304) Full Text: DOI
Funakawa, Daiju; Matsuzawa, Yasumichi; Sasaki, Itaru; Suzuki, Akito; Teranishi, Noriaki Time operators for quantum walks. (English) Zbl 1451.81228 Lett. Math. Phys. 110, No. 9, 2471-2490 (2020). Reviewer: Michael Perelmuter (Kyjiw) MSC: 81Q05 81Q10 47B25 46N50 60G50 37M10 47D06 51F25 PDF BibTeX XML Cite \textit{D. Funakawa} et al., Lett. Math. Phys. 110, No. 9, 2471--2490 (2020; Zbl 1451.81228) Full Text: DOI
Arov, Damir Z.; Dym, Harry Functional models of operators and their multivalued extensions in Hilbert space. (English) Zbl 07243099 Integral Equations Oper. Theory 92, No. 5, Paper No. 39, 48 p. (2020). MSC: 47A20 46E22 47A06 47B25 47B32 PDF BibTeX XML Cite \textit{D. Z. Arov} and \textit{H. Dym}, Integral Equations Oper. Theory 92, No. 5, Paper No. 39, 48 p. (2020; Zbl 07243099) Full Text: DOI
Solel, Baruch Invariant subspaces for certain tuples of operators with applications to reproducing kernel correspondences. (English) Zbl 1450.30071 Integral Equations Oper. Theory 92, No. 4, Paper No. 38, 22 p. (2020). MSC: 30H10 46E22 47A15 47A20 47B32 47B38 PDF BibTeX XML Cite \textit{B. Solel}, Integral Equations Oper. Theory 92, No. 4, Paper No. 38, 22 p. (2020; Zbl 1450.30071) Full Text: DOI
Deshouillers, J.-M.; Gun, S.; Sivaraman, J. On Euclidean ideal classes in certain abelian extensions. (English) Zbl 07242468 Math. Z. 296, No. 1-2, 847-859 (2020). MSC: 11R20 11R29 11N36 PDF BibTeX XML Cite \textit{J. M. Deshouillers} et al., Math. Z. 296, No. 1--2, 847--859 (2020; Zbl 07242468) Full Text: DOI
Pagacz, Patryk; Pietrzycki, Paweł; Wojtylak, Michał Between the von Neumann inequality and the Crouzeix conjecture. (English) Zbl 07241914 Linear Algebra Appl. 605, 130-157 (2020). MSC: 47A12 47A25 47A63 47A10 47A20 47A56 PDF BibTeX XML Cite \textit{P. Pagacz} et al., Linear Algebra Appl. 605, 130--157 (2020; Zbl 07241914) Full Text: DOI
Cherednichenko, Kirill D.; Kiselev, Alexander V.; Silva, Luis O. Scattering theory for a class of non-selfadjoint extensions of symmetric operators. (English) Zbl 07240450 Kurasov, Pavel (ed.) et al., Analysis as a tool in mathematical physics. In memory of Boris Pavlov. Collected papers presented at the conferences “Spectral Theory and Applications”, Stockholm, Sweden, March 13–15, 2016 and “Operator Theory, Analysis and Mathematical Physics – OTAMP2016”, Euler International Mathematical Institute, St. Petersburg, Russia, August 2–7, 2016. Cham: Springer (ISBN 978-3-030-31530-6/hbk; 978-3-030-31531-3/ebook). Operator Theory: Advances and Applications 276, 194-230 (2020). Reviewer: Jiři Lipovský (Hradec Králové) MSC: 47A45 47A40 34L25 81Q35 PDF BibTeX XML Cite \textit{K. D. Cherednichenko} et al., Oper. Theory: Adv. Appl. 276, 194--230 (2020; Zbl 07240450) Full Text: DOI
Han, Deguang; Larson, David R.; Liu, Bei; Liu, Rui Structural properties of homomorphism dilation systems. (English) Zbl 07238366 Chin. Ann. Math., Ser. B 41, No. 4, 585-600 (2020). MSC: 47A20 PDF BibTeX XML Cite \textit{D. Han} et al., Chin. Ann. Math., Ser. B 41, No. 4, 585--600 (2020; Zbl 07238366) Full Text: DOI
Ambrosio, Luigi; Puglisi, Daniele Linear extension operators between spaces of Lipschitz maps and optimal transport. (English) Zbl 1445.49024 J. Reine Angew. Math. 764, 1-21 (2020). Reviewer: Lakehal Belarbi (Mostaganem) MSC: 49Q22 47A20 PDF BibTeX XML Cite \textit{L. Ambrosio} and \textit{D. Puglisi}, J. Reine Angew. Math. 764, 1--21 (2020; Zbl 1445.49024) Full Text: DOI
Dijksma, Aad; Langer, Heinz W. Stenger’s and M. A. Nudelman’s results and resolvent formulas involving compressions. (English) Zbl 07225062 Adv. Oper. Theory 5, No. 3, 936-949 (2020). Reviewer: Bilender P. Allahverdiev (Isparta) MSC: 47B25 47A20 47A56 PDF BibTeX XML Cite \textit{A. Dijksma} and \textit{H. Langer}, Adv. Oper. Theory 5, No. 3, 936--949 (2020; Zbl 07225062) Full Text: DOI
Lau, Pan-Shun; Li, Chi-Kwong; Poon, Yiu-Tung; Sze, Nung-Sing Joint matricial range and joint congruence matricial range of operators. (English) Zbl 1447.15020 Adv. Oper. Theory 5, No. 3, 609-626 (2020). Reviewer: Tin Yau Tam (Reno) MSC: 15A60 47A20 47A55 PDF BibTeX XML Cite \textit{P.-S. Lau} et al., Adv. Oper. Theory 5, No. 3, 609--626 (2020; Zbl 1447.15020) Full Text: DOI
Wu, Changhui; Yu, Tao Wandering subspace property of the shift operator on a class of invariant subspaces of the weighted Bergman space \(L_a^2(dA_2)\). (English) Zbl 07222715 Banach J. Math. Anal. 14, No. 3, 784-820 (2020). MSC: 47A15 47A20 PDF BibTeX XML Cite \textit{C. Wu} and \textit{T. Yu}, Banach J. Math. Anal. 14, No. 3, 784--820 (2020; Zbl 07222715) Full Text: DOI
Kozlov, Vladimir; Thim, Johan Hadamard asymptotics for eigenvalues of the Dirichlet Laplacian. (English. French summary) Zbl 1448.35344 J. Math. Pures Appl. (9) 140, 67-88 (2020). MSC: 35P05 35J25 47A75 49R05 47A20 PDF BibTeX XML Cite \textit{V. Kozlov} and \textit{J. Thim}, J. Math. Pures Appl. (9) 140, 67--88 (2020; Zbl 1448.35344) Full Text: DOI
Gupta, Rajeev; Misra, Gadadhar The Carathéodory-Fejér interpolation on the polydisc. (English) Zbl 07220492 Stud. Math. 254, No. 3, 265-293 (2020). MSC: 47A20 47A56 47B35 30E05 30H05 30H10 PDF BibTeX XML Cite \textit{R. Gupta} and \textit{G. Misra}, Stud. Math. 254, No. 3, 265--293 (2020; Zbl 07220492) Full Text: DOI
Bickel, Kelly; Gorkin, Pamela Numerical range and compressions of the shift. (English) Zbl 07217762 Dales, H. Garth (ed.) et al., Complex analysis and spectral theory. Conference in celebration of Thomas Ransford’s 60th birthday, Laval University, Québec, Canada, May 21–25, 2018. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-4692-5/pbk; 978-1-4704-5453-1/ebook). Contemporary Mathematics 743, 241-261 (2020). MSC: 47A12 47B37 47A20 47-02 PDF BibTeX XML Cite \textit{K. Bickel} and \textit{P. Gorkin}, Contemp. Math. 743, 241--261 (2020; Zbl 07217762) Full Text: DOI
Stavrova, A. On the congruence kernel of isotropic groups over rings. (English) Zbl 1446.19003 Trans. Am. Math. Soc. 373, No. 7, 4585-4626 (2020). Reviewer: Wilberd van der Kallen (Utrecht) MSC: 19B37 20H05 20G35 19C09 PDF BibTeX XML Cite \textit{A. Stavrova}, Trans. Am. Math. Soc. 373, No. 7, 4585--4626 (2020; Zbl 1446.19003) Full Text: DOI
del Campo, Adolfo; Takayanagi, Tadashi Decoherence in conformal field theory. (English) Zbl 1446.81035 J. High Energy Phys. 2020, No. 2, Paper No. 170, 27 p. (2020). Reviewer: Chang-Shui Yu (Dalian) MSC: 81T40 81S22 81T28 81P40 81P17 47A20 81T35 83E05 PDF BibTeX XML Cite \textit{A. del Campo} and \textit{T. Takayanagi}, J. High Energy Phys. 2020, No. 2, Paper No. 170, 27 p. (2020; Zbl 1446.81035) Full Text: DOI arXiv
Bharadwaj, Abhishek T.; Rath, Purusottam On a question of Alan Baker over arbitrary number fields. (English) Zbl 1442.11109 Mathematika 66, No. 1, 103-111 (2020). Reviewer: István Gaál (Debrecen) MSC: 11J86 11R18 PDF BibTeX XML Cite \textit{A. T. Bharadwaj} and \textit{P. Rath}, Mathematika 66, No. 1, 103--111 (2020; Zbl 1442.11109) Full Text: DOI
Brown, Malcolm; Marletta, Marco; Naboko, Serguei; Wood, Ian The functional model for maximal dissipative operators (translation form): an approach in the spirit of operator knots. (English) Zbl 07207629 Trans. Am. Math. Soc. 373, No. 6, 4145-4187 (2020). MSC: 47A20 47A48 47B44 PDF BibTeX XML Cite \textit{M. Brown} et al., Trans. Am. Math. Soc. 373, No. 6, 4145--4187 (2020; Zbl 07207629) Full Text: DOI
Aleksandrov, A. B.; Peller, V. V. Functions of noncommuting operators under perturbation of class \(\boldsymbol{S}_p\). (English) Zbl 07206434 Math. Nachr. 293, No. 5, 847-860 (2020). MSC: 46E35 47A20 47A55 47A60 47A63 PDF BibTeX XML Cite \textit{A. B. Aleksandrov} and \textit{V. V. Peller}, Math. Nachr. 293, No. 5, 847--860 (2020; Zbl 07206434) Full Text: DOI
Neeb, Karl-Hermann A survey on invariant cones in infinite dimensional Lie algebras. (A survey on invariant cones ininfinite dimensional Lie algebras.) (English) Zbl 1440.22036 J. Lie Theory 30, No. 2, 513-564 (2020). MSC: 22E65 22E45 22-02 PDF BibTeX XML Cite \textit{K.-H. Neeb}, J. Lie Theory 30, No. 2, 513--564 (2020; Zbl 1440.22036) Full Text: Link
Di Concilio, A. Function space topologies between the uniform topology and the Whitney topology. (English) Zbl 1448.54009 Topology Appl. 277, Article ID 107230, 11 p. (2020). Reviewer: Daniel Jardon (Ciudad de México) MSC: 54C35 54D35 54E05 54E15 54H11 54C50 54F65 54J05 06F20 PDF BibTeX XML Cite \textit{A. Di Concilio}, Topology Appl. 277, Article ID 107230, 11 p. (2020; Zbl 1448.54009) Full Text: DOI
de Jeu, Marcel; Pinto, Paulo R. The structure of doubly non-commuting isometries. (English) Zbl 07201207 Adv. Math. 368, Article ID 107149, 34 p. (2020). Reviewer: Daniel Beltiţă (Bucureşti) MSC: 47A45 47A20 47A13 46L05 PDF BibTeX XML Cite \textit{M. de Jeu} and \textit{P. R. Pinto}, Adv. Math. 368, Article ID 107149, 34 p. (2020; Zbl 07201207) Full Text: DOI
Mouajria, Hattab; Tayachi, Slim; Weissler, Fred B. Large time behavior of solutions to the nonlinear heat equation with absorption with highly singular antisymmetric initial values. (English) Zbl 1442.35238 Adv. Nonlinear Stud. 20, No. 2, 311-337 (2020). MSC: 35K91 35K55 35B30 35B40 35C06 47A20 PDF BibTeX XML Cite \textit{H. Mouajria} et al., Adv. Nonlinear Stud. 20, No. 2, 311--337 (2020; Zbl 1442.35238) Full Text: DOI
Galtbayar, Artbazar; Yajima, Kenji On the approximation by regular potentials of Schrödinger operators with point interactions. (English) Zbl 1444.47017 J. Korean Math. Soc. 57, No. 2, 429-450 (2020). Reviewer: Jiři Lipovský (Hradec Kralove) MSC: 47A40 81Q10 81U99 47A58 PDF BibTeX XML Cite \textit{A. Galtbayar} and \textit{K. Yajima}, J. Korean Math. Soc. 57, No. 2, 429--450 (2020; Zbl 1444.47017) Full Text: DOI
Arlinskiĭ, Yu. M. Shorting, parallel addition and form sums of nonnegative selfadjoint linear relations. (English) Zbl 1443.47001 Linear Algebra Appl. 599, 156-200 (2020). Reviewer: K. C. Sivakumar (Chennai) MSC: 47A06 47A64 47A20 PDF BibTeX XML Cite \textit{Yu. M. Arlinskiĭ}, Linear Algebra Appl. 599, 156--200 (2020; Zbl 1443.47001) Full Text: DOI
Gutiérrez, Armando W. Characterizing the metric compactification of \(L_p\) spaces by random measures. (English) Zbl 1451.54005 Ann. Funct. Anal. 11, No. 2, 227-243 (2020). Reviewer: Luis C. García Lirola (Kent) MSC: 54D35 46E30 46B20 60G57 PDF BibTeX XML Cite \textit{A. W. Gutiérrez}, Ann. Funct. Anal. 11, No. 2, 227--243 (2020; Zbl 1451.54005) Full Text: DOI
Das, B. Krishna; Gorai, Sushil; Sarkar, Jaydeb On quotient modules of \(H^2( \mathbb{D}^n)\): essential normality and boundary representations. (English) Zbl 1445.47006 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 3, 1339-1359 (2020). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A13 47A20 47L25 47L40 46L05 46L06 PDF BibTeX XML Cite \textit{B. K. Das} et al., Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 3, 1339--1359 (2020; Zbl 1445.47006) Full Text: DOI
Ay, Serdar; Gheondea, Aurelian Corrigendum to: “Representations of \(*\)-semigroups associated to invariant kernels with values adjointable operators”. (English) Zbl 1443.47009 Linear Algebra Appl. 589, 242-246 (2020). MSC: 47A20 43A35 46E22 46L89 PDF BibTeX XML Cite \textit{S. Ay} and \textit{A. Gheondea}, Linear Algebra Appl. 589, 242--246 (2020; Zbl 1443.47009) Full Text: DOI
Kaniecki, Mariusz; Kosakowska, Justyna Applications of Littlewood-Richardson tableaux to computing generic extension of semisimple invariant subspaces of nilpotent linear operators. (English) Zbl 1442.16016 Linear Algebra Appl. 588, 134-159 (2020). MSC: 16G20 05A17 16Z05 47A15 16G70 05C85 PDF BibTeX XML Cite \textit{M. Kaniecki} and \textit{J. Kosakowska}, Linear Algebra Appl. 588, 134--159 (2020; Zbl 1442.16016) Full Text: DOI
Aoki, Miho; Kishi, Yasuhiro A family of pairs of imaginary cyclic fields of degree \((p-1)/2\) with both class numbers divisible by \(p\). (English) Zbl 1447.11113 Ramanujan J. 52, No. 1, 133-161 (2020). Reviewer: James E. Carter (Charleston) MSC: 11R11 11R16 11R29 PDF BibTeX XML Cite \textit{M. Aoki} and \textit{Y. Kishi}, Ramanujan J. 52, No. 1, 133--161 (2020; Zbl 1447.11113) Full Text: DOI
Rios-Cangas, Josué I.; Silva, Luis O. Dissipative extension theory for linear relations. (English) Zbl 1443.47002 Expo. Math. 38, No. 1, 60-90 (2020). MSC: 47A06 47A45 47B44 47A20 PDF BibTeX XML Cite \textit{J. I. Rios-Cangas} and \textit{L. O. Silva}, Expo. Math. 38, No. 1, 60--90 (2020; Zbl 1443.47002) Full Text: DOI
de Oliveira, César R.; Romano, Renan G. A new version of the Aharonov-Bohm effect. (English) Zbl 1436.81052 Found. Phys. 50, No. 3, 137-146 (2020). MSC: 81Q70 81Q05 35J10 47B25 78A35 PDF BibTeX XML Cite \textit{C. R. de Oliveira} and \textit{R. G. Romano}, Found. Phys. 50, No. 3, 137--146 (2020; Zbl 1436.81052) Full Text: DOI
Chatyrko, Vitalij A.; Shakhmatov, Dmitri B. Automorphism groups of dense subgroups of \(\mathbb{R}^n\). (English) Zbl 1443.22003 Topology Appl. 275, Article ID 107000, 19 p. (2020). Reviewer: Mihail I. Ursul (Oradea) MSC: 22A05 11R04 12F20 16S34 20D45 20E36 20K30 46A16 47D03 51F25 54F45 54H11 54H13 PDF BibTeX XML Cite \textit{V. A. Chatyrko} and \textit{D. B. Shakhmatov}, Topology Appl. 275, Article ID 107000, 19 p. (2020; Zbl 1443.22003) Full Text: DOI
Arhancet, Cédric Dilations of Markovian semigroups of Fourier multipliers on locally compact groups. (English) Zbl 1443.47008 Proc. Am. Math. Soc. 148, No. 6, 2551-2563 (2020). Reviewer: Jinghao Huang (Sydney) MSC: 47A20 47D03 46L51 47D07 PDF BibTeX XML Cite \textit{C. Arhancet}, Proc. Am. Math. Soc. 148, No. 6, 2551--2563 (2020; Zbl 1443.47008) Full Text: DOI
Bisai, Bappa; Pal, Sourav Structure theorems for operators associated with two domains related to \(\mu \)-synthesis. (English) Zbl 07180667 Bull. Sci. Math. 159, Article ID 102822, 30 p. (2020). Reviewer: Carlos S. Kubrusly (Rio de Janeiro) MSC: 47A13 47A15 47A20 47A25 47A65 PDF BibTeX XML Cite \textit{B. Bisai} and \textit{S. Pal}, Bull. Sci. Math. 159, Article ID 102822, 30 p. (2020; Zbl 07180667) Full Text: DOI
Parkkonen, Jouni; Paulin, Frédéric On the nonarchimedean quadratic Lagrange spectra. (English) Zbl 07179290 Math. Z. 294, No. 3-4, 1065-1084 (2020). Reviewer: Oleg Karpenkov (Liverpool) MSC: 11J06 11J70 11R11 20E08 20G25 PDF BibTeX XML Cite \textit{J. Parkkonen} and \textit{F. Paulin}, Math. Z. 294, No. 3--4, 1065--1084 (2020; Zbl 07179290) Full Text: DOI
Arlinskiĭ, Yury; Hassi, Seppo Stieltjes and inverse Stieltjes holomorphic families of linear relations and their representations. (English) Zbl 07178842 Stud. Math. 252, No. 2, 129-167 (2020). MSC: 47A06 47A20 47A48 47A56 47B25 47B44 PDF BibTeX XML Cite \textit{Y. Arlinskiĭ} and \textit{S. Hassi}, Stud. Math. 252, No. 2, 129--167 (2020; Zbl 07178842) Full Text: DOI
Kamuda, Alan; Kużel, Sergiusz Towards generalized Riesz systems theory. (English) Zbl 1442.47017 Complex Anal. Oper. Theory 14, No. 2, Paper No. 28, 22 p. (2020). Reviewer: Monika Winklmeier (Bogotá) MSC: 47B28 81Q12 47B65 46B15 46C99 PDF BibTeX XML Cite \textit{A. Kamuda} and \textit{S. Kużel}, Complex Anal. Oper. Theory 14, No. 2, Paper No. 28, 22 p. (2020; Zbl 1442.47017) Full Text: DOI
Uğurlu, Ekin Extensions of a minimal third-order formally symmetric operator. (English) Zbl 1441.47056 Bull. Malays. Math. Sci. Soc. (2) 43, No. 1, 453-470 (2020). Reviewer: Yaudat Sultanaev (Ufa) MSC: 47E05 34B05 47A20 47A40 47A48 34L10 PDF BibTeX XML Cite \textit{E. Uğurlu}, Bull. Malays. Math. Sci. Soc. (2) 43, No. 1, 453--470 (2020; Zbl 1441.47056) Full Text: DOI
Braś, M.; Jackiewicz, Z. A new class of efficient general linear methods for ordinary differential equations. (English) Zbl 1439.65074 Appl. Numer. Math. 151, 282-300 (2020). Reviewer: Kanakadurga Sivakumar (Chennai) MSC: 65L05 65L04 65L20 PDF BibTeX XML Cite \textit{M. Braś} and \textit{Z. Jackiewicz}, Appl. Numer. Math. 151, 282--300 (2020; Zbl 1439.65074) Full Text: DOI
Suciu, Laurian On operators with two-isometric liftings. (English) Zbl 07171986 Complex Anal. Oper. Theory 14, No. 1, Paper No. 5, 16 p. (2020). MSC: 47A05 47A15 47A20 47A63 PDF BibTeX XML Cite \textit{L. Suciu}, Complex Anal. Oper. Theory 14, No. 1, Paper No. 5, 16 p. (2020; Zbl 07171986) Full Text: DOI
Lee, Jon; Skipper, Daphne Volume computation for sparse Boolean quadric relaxations. (English) Zbl 1433.90086 Discrete Appl. Math. 275, 79-94 (2020). MSC: 90C09 90C27 52B12 05C62 PDF BibTeX XML Cite \textit{J. Lee} and \textit{D. Skipper}, Discrete Appl. Math. 275, 79--94 (2020; Zbl 1433.90086) Full Text: DOI
Allahverdiev, B. P.; Tuna, Hüseyin Dissipative \(q\)-Dirac operator. (English) Zbl 07158099 Palest. J. Math. 9, No. 1, 200-211 (2020). MSC: 47A20 47A40 47B25 47B44 33D15 34L10 39A13 34L40 PDF BibTeX XML Cite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Palest. J. Math. 9, No. 1, 200--211 (2020; Zbl 07158099) Full Text: Link
Djikić, Marko S.; Radenković, Jovana Nikolov Simultaneous extension of two bounded operators between Hilbert spaces. (English) Zbl 07157323 J. Oper. Theory 83, No. 1, 229-250 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 47A20 46C07 PDF BibTeX XML Cite \textit{M. S. Djikić} and \textit{J. N. Radenković}, J. Oper. Theory 83, No. 1, 229--250 (2020; Zbl 07157323) Full Text: DOI
Tarcsay, Zsigmond Operators on anti-dual pairs: Lebesgue decomposition of positive operators. (English) Zbl 1444.47054 J. Math. Anal. Appl. 484, No. 2, Article ID 123753, 28 p. (2020). Reviewer: Bilender P. Allahverdiev (Isparta) MSC: 47B65 47A65 47A70 47A20 PDF BibTeX XML Cite \textit{Z. Tarcsay}, J. Math. Anal. Appl. 484, No. 2, Article ID 123753, 28 p. (2020; Zbl 1444.47054) Full Text: DOI arXiv
Guliyev, Namig J. A Riesz basis criterion for Schrödinger operators with boundary conditions dependent on the eigenvalue parameter. (English) Zbl 1428.42057 Anal. Math. Phys. 10, No. 1, Paper No. 2, 8 p. (2020). MSC: 42C15 42C30 15B05 34B07 34L10 34L40 46B15 46C05 46E30 47A20 47B25 47E05 PDF BibTeX XML Cite \textit{N. J. Guliyev}, Anal. Math. Phys. 10, No. 1, Paper No. 2, 8 p. (2020; Zbl 1428.42057) Full Text: DOI